Finding the Fourth Proportional to 4,849,207,328.70, 7,273,810,993.05 and 3,686,945,861.70
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Solution
The fourth proportional to 4,849,207,328.70, 7,273,810,993.05 and 3,686,945,861.70 is: 5,530,418,792.55
Step by Step Solution
- Step 1: Write the proportion equation
4,849,207,328.70 : 7,273,810,993.05 = 3,686,945,861.70 : x - Step 2: Convert to fraction form
4,849,207,328.70/7,273,810,993.05 = 3,686,945,861.70/x - Step 3: Cross multiply
4,849,207,328.70x = 7,273,810,993.05 × 3,686,945,861.70 - Step 4: Simplify right side
4,849,207,328.70x = 26,818,147,339,613,663,232 - Step 5: Solve for x
x = 26,818,147,339,613,663,232/4,849,207,328.70 - Step 6: Final answer
x = 5,530,418,792.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.